Dictionaries & Encyclopedias: a glossary of military terms (Google Books) published in the mid-19th century it has terms that are now more outdated
General Guide to U.S. Military Records from FamilySearch Wiki
Veteran's History Project The Veterans History Project of the American Folklife Center collects, preserves, and makes accessible the personal accounts of American war veterans so that future generations may hear directly from veterans and better understand the realities of war.
Web Sources for Military History by Richard Jensen
Navy: